2012 Buick Regal eAssist Hybrid

2012 Buick Regal eAssist Hybrid2012 Buick Regal eAssist HybridBuick is doubling the number of cars it offers with a hybrid powertrain with the introduction of the 2012 Buick Regal eAssist hybrid. The more efficient Regal is expected to be rated 26/37 mpg city/highway pending EPA certification. The eAssist Regal is debuting at the 2011 Chicago Auto Show.For those of you keeping track, that's one